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Molecular formula

C21H21BrN2O3

32 compounds have this formula on CompoundList.

Molar mass
429.31g/mol
Monoisotopic mass
428.0736Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H21BrN2O3 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms and 3 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 2158.75%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 214.93%
    1.008 × 21 = 21.168 g/mol
  • Br Bromine × 118.61%
    79.904 × 1 = 79.904 g/mol
  • N Nitrogen × 26.53%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 311.18%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H21BrN2O3

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 32 of 32 compounds

(E)-3-(4-Bromophenyl)-1-(4-(4-methoxybenzoyl)piperazin-1-yl)prop-2-en-1-one chemical structure, C21H21BrN2O3, CAS 1599432-08-2
(E)-3-(4-Bromophenyl)-1-(4-(4-methoxybenzoyl)piperazin-1-yl)prop-2-en-1-one
CAS 1599432-08-2C21H21BrN2O3
2-{4-[(5-Bromo-3-methyl-1-benzofuran-2-yl)carbonyl]-1-piperazinyl}phenyl methyl ether chemical structure, C21H21BrN2O3, CAS 724742-06-7
2-{4-[(5-Bromo-3-methyl-1-benzofuran-2-yl)carbonyl]-1-piperazinyl}phenyl methyl ether
CAS 724742-06-7C21H21BrN2O3
N-(4-Bromophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydro-3-quinolinecarboxamide chemical structure, C21H21BrN2O3, CAS 300716-31-8
N-(4-Bromophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydro-3-quinolinecarboxamide
CAS 300716-31-8C21H21BrN2O3
4-(2-(Cyclohexylcarbonyl)carbohydrazonoyl)phenyl 4-bromobenzoate chemical structure, C21H21BrN2O3, CAS 477733-46-3
4-(2-(Cyclohexylcarbonyl)carbohydrazonoyl)phenyl 4-bromobenzoate
CAS 477733-46-3C21H21BrN2O3
(5E)-3-[(4-Bromophenyl)methyl]-5-[[4-(2-methylpropoxy)phenyl]methylidene]imidazolidine-2,4-dione chemical structure, C21H21BrN2O3, CAS 431939-01-4
(5E)-3-[(4-Bromophenyl)methyl]-5-[[4-(2-methylpropoxy)phenyl]methylidene]imidazolidine-2,4-dione
CAS 431939-01-4C21H21BrN2O3
AChE-IN-26 chemical structure, C21H21BrN2O3, CAS 2977170-10-6
AChE-IN-26
CAS 2977170-10-6C21H21BrN2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-2-bromobenzamide chemical structure, C21H21BrN2O3, CAS 921565-28-8
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-2-bromobenzamide
CAS 921565-28-8C21H21BrN2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-4-bromobenzamide chemical structure, C21H21BrN2O3, CAS 921869-45-6
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-4-bromobenzamide
CAS 921869-45-6C21H21BrN2O3
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-3-bromobenzamide chemical structure, C21H21BrN2O3, CAS 921546-19-2
N-(5-Allyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-3-bromobenzamide
CAS 921546-19-2C21H21BrN2O3
(E)-[2-(4-Bromophenyl)-1-[2-(dimethylazaniumyl)ethyl]-4,5-dioxopyrrolidin-3-ylidene]-phenylmethanolate chemical structure, C21H21BrN2O3, CAS 309923-51-1
(E)-[2-(4-Bromophenyl)-1-[2-(dimethylazaniumyl)ethyl]-4,5-dioxopyrrolidin-3-ylidene]-phenylmethanolate
CAS 309923-51-1C21H21BrN2O3
(4-(3-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)-2-hydroxypropoxy)phenyl)(phenyl)methanone chemical structure, C21H21BrN2O3, CAS 890602-30-9
(4-(3-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)-2-hydroxypropoxy)phenyl)(phenyl)methanone
CAS 890602-30-9C21H21BrN2O3
(Z)-2-(2-Bromobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one chemical structure, C21H21BrN2O3, CAS 896846-80-3
(Z)-2-(2-Bromobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one
CAS 896846-80-3C21H21BrN2O3
3-(4-Bromophenyl)-7-hydroxy-8-((4-methylpiperazin-1-yl)methyl)-4H-chromen-4-one chemical structure, C21H21BrN2O3, CAS 637747-20-7
3-(4-Bromophenyl)-7-hydroxy-8-((4-methylpiperazin-1-yl)methyl)-4H-chromen-4-one
CAS 637747-20-7C21H21BrN2O3
Methanone, (1-amino-5-ethyl-8,9-dihydro-8,8-dimethyl-6H-furo(2,3-b)pyrano(4,3-d)pyridin-2-yl)(4-bromophenyl)- chemical structure, C21H21BrN2O3, CAS 172985-19-2
Methanone, (1-amino-5-ethyl-8,9-dihydro-8,8-dimethyl-6H-furo(2,3-b)pyrano(4,3-d)pyridin-2-yl)(4-bromophenyl)-
CAS 172985-19-2C21H21BrN2O3
4-Bromo-5-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxymethyl]-1-methyl-2-phenylpyrazol-3-one chemical structure, C21H21BrN2O3, CAS 1024082-62-9
4-Bromo-5-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxymethyl]-1-methyl-2-phenylpyrazol-3-one
CAS 1024082-62-9C21H21BrN2O3
(S)-Benzyl 2-((S)-(5-bromo-1H-indol-3-yl)(hydroxy)methyl)pyrrolidine-1-carboxylate chemical structure, C21H21BrN2O3, CAS 1415566-78-7
(S)-Benzyl 2-((S)-(5-bromo-1H-indol-3-yl)(hydroxy)methyl)pyrrolidine-1-carboxylate
CAS 1415566-78-7C21H21BrN2O3
(4Z)-4-[(2-Bromo-5-ethoxy-4-methoxyphenyl)methylidene]-5-methyl-2-(3-methylphenyl)pyrazol-3-one chemical structure, C21H21BrN2O3, CAS 355003-16-6
(4Z)-4-[(2-Bromo-5-ethoxy-4-methoxyphenyl)methylidene]-5-methyl-2-(3-methylphenyl)pyrazol-3-one
CAS 355003-16-6C21H21BrN2O3
(Z)-2-(4-Bromobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one chemical structure, C21H21BrN2O3, CAS 896853-61-5
(Z)-2-(4-Bromobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one
CAS 896853-61-5C21H21BrN2O3
(Z)-2-(3-Bromobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one chemical structure, C21H21BrN2O3, CAS 896069-44-6
(Z)-2-(3-Bromobenzylidene)-6-hydroxy-7-((4-methylpiperazin-1-yl)methyl)benzofuran-3(2H)-one
CAS 896069-44-6C21H21BrN2O3
N-[1-(4-Bromophenyl)-2,5-dioxopyrrolidin-3-yl]-N-(2-phenylethyl)propanamide chemical structure, C21H21BrN2O3, CAS 470695-94-4
N-[1-(4-Bromophenyl)-2,5-dioxopyrrolidin-3-yl]-N-(2-phenylethyl)propanamide
CAS 470695-94-4C21H21BrN2O3
(E)-1-(4-Benzylpiperazino)-3-(6-bromo-1,3-benzodioxol-5-yl)-2-propen-1-one chemical structure, C21H21BrN2O3, CAS 478078-28-3
(E)-1-(4-Benzylpiperazino)-3-(6-bromo-1,3-benzodioxol-5-yl)-2-propen-1-one
CAS 478078-28-3C21H21BrN2O3
N-(2-Bromophenyl)-7-(1,3-dioxoisoindol-2-yl)heptanamide chemical structure, C21H21BrN2O3, CAS 488745-01-3
N-(2-Bromophenyl)-7-(1,3-dioxoisoindol-2-yl)heptanamide
CAS 488745-01-3C21H21BrN2O3
5-Bromo-N-(2-morpholino-2-(naphthalen-1-yl)ethyl)furan-2-carboxamide chemical structure, C21H21BrN2O3, CAS 941975-72-0
5-Bromo-N-(2-morpholino-2-(naphthalen-1-yl)ethyl)furan-2-carboxamide
CAS 941975-72-0C21H21BrN2O3
(E)-3-(3-Bromo-4,5-dimethoxyphenyl)-2-cyano-N-(2,4,6-trimethylphenyl)prop-2-enamide chemical structure, C21H21BrN2O3, CAS 731798-99-5
(E)-3-(3-Bromo-4,5-dimethoxyphenyl)-2-cyano-N-(2,4,6-trimethylphenyl)prop-2-enamide
CAS 731798-99-5C21H21BrN2O3

Frequently asked questions

What is the molar mass of C21H21BrN2O3?

The molar mass of C21H21BrN2O3 is 429.31 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 428.0736 Da.

How many compounds have the formula C21H21BrN2O3?

CompoundList lists 32 compounds with the molecular formula C21H21BrN2O3, including (E)-3-(4-Bromophenyl)-1-(4-(4-methoxybenzoyl)piperazin-1-yl)prop-2-en-1-one, 2-{4-[(5-Bromo-3-methyl-1-benzofuran-2-yl)carbonyl]-1-piperazinyl}phenyl methyl ether, N-(4-Bromophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydro-3-quinolinecarboxamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C21H21BrN2O3?

C21H21BrN2O3 has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.